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Current conceptualizations of control-related beliefs in Obsessive-Compulsive Disorder (OCD) have largely been limited to beliefs about the need to control thoughts. Although growing evidence supports the notion of considering broader control-related constructs in this disorder, there has been limited research aimed at integrating findings across studies, making it difficult to determine how different control-related beliefs may influence OCD symptoms. The current review sought to systematically analyze findings from all studies investigating the relationship between control beliefs and OCD. The systematic search identified 157 eligible articles that assessed the relationship between control beliefs and OCD symptoms. Results suggested that certain control beliefs (e.g., importance of/need to control of thoughts, sense of control, beliefs about losing control) may be more closely associated with OCD than others (e.g., locus of control, and desire for control). In general, control beliefs were positively associated with OCD, with effect sizes ranging from small to large depending on the symptom domain. Based on limited studies, the only control belief which demonstrated specificity to OCD was ICT. Findings support the importance of integrating additional control beliefs in conceptualizations of OCD and provide evidence to support the benefits of targeting these beliefs in cognitive behavioural therapy.